KaraHVAC
for iOS.
Install the full KaraHVAC engineering toolkit directly to your iPhone or iPad home screen. Native-like experience, offline-capable, no App Store required — always up to date.
Four Steps to Your Home Screen
Open this page in Safari (the only browser that supports PWA installation on iOS) and follow these steps.
Open in Safari
Launch the Safari browser and navigate to this page. Chrome, Firefox and other browsers cannot install PWAs on iOS.
web.karahvac.app
Tap the Share Button
Tap the Share icon (square with an upward arrow) in the Safari toolbar at the bottom of your screen.
Add to Home Screen
Scroll through the share menu and tap "Add to Home Screen". You can rename the shortcut if you'd like.
Confirm & Launch
Tap "Add" in the top-right corner. KaraHVAC will appear on your home screen — launch it like any other app.
The Full Toolkit, Natively
Every feature of KaraHVAC, delivered as a first-class app on your iOS device — without the friction of traditional app stores.
Offline Capable
Works on-site with no signal. Calculations, databases and reports are fully functional offline.
Instant Launch
Opens in full-screen like a native app. No browser chrome, no URL bar — pure engineering workspace.
Always Current
Updates deploy instantly via the service worker. You always run the latest build, no store review delays.
Psychrometric Chart
Live air-state simulation with ASHRAE-based mixing, cooling coil and sensible heating processes.
86-City Database
Offline access to design conditions for weather stations nationwide — no network calls required.
PDF Reports
Generate encrypted, client-ready calculation reports in under 15 seconds from anywhere.